Senior IT Administrator

The MITRE Corporation•New Bedford, MA

9d•Onsite

About The Position

Why choose between doing meaningful work and having a fulfilling life? At MITRE, you can have both. That's because MITRE people are committed to tackling our nation's toughest challenges—and we're committed to the long-term well-being of our employees. MITRE is different from most technology companies. We are a not-for-profit corporation chartered to work for the public interest, with no commercial conflicts to influence what we do. The R&D centers we operate for the government create lasting impact in fields as diverse as cybersecurity, healthcare, aviation, defense, and enterprise transformation. We're making a difference every day—working for a safer, healthier, and more secure nation and world. Our workplace reflects our values. We offer competitive benefits, exceptional professional development opportunities for career growth, and a culture of innovation that embraces adaptability, collaboration, technical excellence, and people in partnership. If this sounds like the choice you want to make, then choose MITRE - and make a difference with us. Department Summary: The Advanced Capabilities Department (N162) within the Integrated All-Domain Effects Division (N160) in MITRE’s Air and Space Forces Center focuses on developing and enabling capabilities to counter peer adversaries and enable the US to project power and operate within highly contested environments. The Advanced Capabilities IT Systems Architects group is seeking a full-time Systems Administrator to support the deployment, operation, and maintenance of IT systems in classified lab environments. This is a role best suited for someone who has prior experience working as a classified IT Systems Administrator. This is an on-premises position on our Bedford, MA campus.

Requirements

Active Top Secret clearance with the ability to obtain and maintain a TS/SCI clearance.
Typically requires a minimum of 5 years of related experience with a Bachelor’s degree; or 3 years and a Master’s degree; or a PhD with relevant experience who can immediately contribute at this job step; or equivalent combination of related education and work experience.
Working knowledge of server and client operating systems (Win10/11, Srv2016+, RHEL 8+).
Fundamental understanding of lab IT architecture and supporting air-gapped systems.
Fundamental understanding of system administration, network, and operating system hardening techniques.
Fundamental understanding of operating system command-line tools and scripting.
Ability to interface with customers and provide a high level of customer service.
Ability to function effectively in a dynamic, fast-paced environment.
Ability to collaborate effectively with others.
This position has an on-site requirement of 5 days a week on-site.
Per the U.S. Government’s eligibility requirements, you must be a U.S Citizen to be considered for a security clearance.
In accordance with DoD 8570.01M, the selected individual must meet the requirements of an IAT Level II as a condition of employment (e.g. Security+).

Nice To Haves

Active TOP SECRET/SCI clearance
Red Hat Certified System Administrator (RHCSA) or higher.
Experience with one or more programming/scripting languages (Chef, Ansible, PowerShell, Bash, Python, etc.)
Experience with RMF, CNSSI 1253, NIST SP 800-53, and NISPOM. Experience with Security Technical Implementation Guides (STIGs) and Security Content Automation Protocol (SCAP) Compliance Checker (SCC). Knowledge of Information Assurance Vulnerability Alerts (IAVAs).

Responsibilities

Building and hardening Windows, Linux, Hypervisor systems (VMware).
User maintenance activities on both Windows and Linux operating systems
Perform general systems administration (patching, updates, user support) of: Windows & Linux clients and servers.
Network switches.
VMware ESXi and vCenter.
Network Storage Systems.
Configure: DNS, DHCP, Group Policy, Active Directory, Backup Solutions, and least-privilege.
Maintenance of other systems/services according to project needs (LogInsight, WSUS, Gitlab, Trellix ePO, Nessus, Teamwork Cloud, docker/podman, miscellaneous web servers, etc.).
Configure, maintain, troubleshoot, and secure systems and network devices to comply with DISA Security Technical Implementation Guides (STIGs).
Assist IA team with coordination between sponsors, MITRE project leaders, and MITRE’s accreditation officials to obtain formal accreditation to operate classified information systems.
Contribute to internal procedures and documentation.